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Diffstat (limited to 'libglusterfs/src/byte-order.h')
| -rw-r--r-- | libglusterfs/src/byte-order.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/libglusterfs/src/byte-order.h b/libglusterfs/src/byte-order.h deleted file mode 100644 index 817ae47904e..00000000000 --- a/libglusterfs/src/byte-order.h +++ /dev/null @@ -1,150 +0,0 @@ -/* - Copyright (c) 2008-2009 Gluster, Inc. <http://www.gluster.com> - This file is part of GlusterFS. - - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. -*/ - -#ifndef _BYTE_ORDER_H -#define _BYTE_ORDER_H - -#include <inttypes.h> - -#define LS1 0x00ffU -#define MS1 0xff00U -#define LS2 0x0000ffffU -#define MS2 0xffff0000U -#define LS4 0x00000000ffffffffULL -#define MS4 0xffffffff00000000ULL - - -static uint16_t (*hton16) (uint16_t); -static uint32_t (*hton32) (uint32_t); -static uint64_t (*hton64) (uint64_t); - -#define ntoh16 hton16 -#define ntoh32 hton32 -#define ntoh64 hton64 - -#define do_swap2(x) (((x&LS1) << 8)|(((x&MS1) >> 8))) -#define do_swap4(x) ((do_swap2(x&LS2) << 16)|(do_swap2((x&MS2) >> 16))) -#define do_swap8(x) ((do_swap4(x&LS4) << 32)|(do_swap4((x&MS4) >> 32))) - - -static inline uint16_t -__swap16 (uint16_t x) -{ - return do_swap2(x); -} - - -static inline uint32_t -__swap32 (uint32_t x) -{ - return do_swap4(x); -} - - -static inline uint64_t -__swap64 (uint64_t x) -{ - return do_swap8(x); -} - - -static inline uint16_t -__noswap16 (uint16_t x) -{ - return x; -} - - -static inline uint32_t -__noswap32 (uint32_t x) -{ - return x; -} - - -static inline uint64_t -__noswap64 (uint64_t x) -{ - return x; -} - - -static inline uint16_t -__byte_order_init16 (uint16_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - hton16 = __swap16; - hton32 = __swap32; - hton64 = __swap64; - } else { - hton16 = __noswap16; - hton32 = __noswap32; - hton64 = __noswap64; - } - - return hton16 (i); -} - - -static inline uint32_t -__byte_order_init32 (uint32_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - hton16 = __swap16; - hton32 = __swap32; - hton64 = __swap64; - } else { - hton16 = __noswap16; - hton32 = __noswap32; - hton64 = __noswap64; - } - - return hton32 (i); -} - - -static inline uint64_t -__byte_order_init64 (uint64_t i) -{ - uint32_t num = 1; - - if (((char *)(&num))[0] == 1) { - hton16 = __swap16; - hton32 = __swap32; - hton64 = __swap64; - } else { - hton16 = __noswap16; - hton32 = __noswap32; - hton64 = __noswap64; - } - - return hton64 (i); -} - - -static uint16_t (*hton16) (uint16_t) = __byte_order_init16; -static uint32_t (*hton32) (uint32_t) = __byte_order_init32; -static uint64_t (*hton64) (uint64_t) = __byte_order_init64; - - -#endif /* _BYTE_ORDER_H */ |
